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All studies included in CLOSER Discovery must comply to the minimum metadata requirements listed below.

Questionnaires

Item

Description

Mandatory

Data Collection

The data collection the questionnaire is associated with  

Yes

Interviewer / Respondent

Type of interviewer or respondent (e.g. Parent / Child etc.)

Yes

DDI Agency

The registered agency ID for the study (or metadata ‘owner’)

Yes

Questionnaire Title

Title of questionnaire

Yes

Sequence

Section headings

Yes

Flow

Order is the same as in the questionnaire

Yes

Conditions

If else / filters / go to etc.

Yes

Question Label

CAI name or label of the question

Yes

Question Text

Text of question

Yes

Response Domain

How the respondent can answer the question e.g. code List, numeric, text etc.

Yes

Cardinality

Number of responses to question code list

Yes

Instruction

Interviewer or respondent instructions associated with a question

Yes

Statements

Other text

Yes

Loops

Repeating questions

Yes

Datasets

Item

Description

Mandatory

Sweep

The sweep the dataset are associated with

Yes

Dataset Name

Name of dataset

Yes

URL

Where dataset can obtained e.g. DOI

Yes

Variable Name

Name of variable / column

Yes

Variable Description / Label

Variable label

Yes

Variable Type

String / Numeric / Time / Date etc

Yes

Variable Format

Length / decimal / YYYMMMDD etc

Yes

Number of Cases / Rows

Number of rows in dataset

Yes

Case Identifier

Case identifier

Yes

Code List

Codes available on question if appropriate

Yes

Minimum Value

Minimum value of numeric or code value

Yes

Maximum Value

Maximum value of numeric or code value

Yes

Valid

No. of cases with valid responses

Yes

Invalid

No. of cases with invalid responses

Yes

Frequency count

Count of coded values (valid / invalid)

No

Frequency %

% of coded values (valid / invalid)

No

Mean

Mean of numeric values

Yes

STDV

Standard Deviation of numeric values

No

Mappings

Item

Description

Mandatory

Variable to Question

Variable, question mapping for each question

Yes

Topics

Map topics to each variable and question

Yes

Derived Variable

Variables which form a derived variable

Yes

Equivalencies

Variables with consistent concept

Yes

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